2 problems

Let $m$ be a positive integer. Consider greedy $m$-Tamari intervals whose maximal element has $n_i$ ascents of length $i$ for each $i\ge 1$, including a first ascent of length…

Let $\mathscr{H}_n^{(r)}$ be the space of higher diagonal harmonics, let $\Dyck{r}{n}$ denote the set of $r$-Dyck paths, and let $\mathcal{P\!F}(\beta)$ be the set of parking funct…